Si47901/02 High-Performance Automotive AM/FM Radio Receiver and HD Radio™/DAB/DAB+/DMB/DRM Tuner Features - Worldwide FM band support (64–108 MHz) Worldwide AM band support (520–1710 kHz) LW band support (144–288 kHz) SW band support (2.3–30 MHz) DAB/DAB+/DMB support (170–240 MHz, 1452–1492 MHz) (Si47902 only) - NOAA Weather Band support - On-chip soft-decision RDS/RDBS demodulator/decoder - AM/FM: - Comprehensive AM/FM signal processing firmware - Integrated active AM/FM buffers for background/data tuners - Analog FM phase diversity with two, three or four tuners - Fully integrated AGC for AM and FM inputs - HD Radio: - Digital I/Q interface to HD Radio Processor - HD Radio MRC with two, three, or four tuners - AM/FM HD Radio IBOC blend - Fast FM HD Radio band scan - DAB/DAB+/DMB (Si47902 only): - Digital I/Q interface to DAB/DAB+/DMB processor - DAB/DAB+/DMB MRC with two, three, or four tuners - Integrated active Band III/L-band buffers for background/data tuners - Fast DAB/DAB+/DMB band scan - Fully integrated AGC for Band III and L-Band inputs - Two analog audio outputs Two digital audio ports (I2S) Frequency synthesizer with fully integrated PLL-VCO Integrated clock oscillator 1.8 V or 3.3 V digital IO power supplies 3.3 V analog power supply and 1.8 V digital power supply - QFN 48-pin, 7x7x0.85 mm - Pb-free/RoHS compliant - AEQ-Q100 qualified DAC DICLK0 DIFS0 DIN0 DAC DCLK/GP0 DFS/GP1 DOUT0 ICN LNA AOUT0 AGC AOUT1 LBI ICP - Automotive OEM infotainment systems - Aftermarket car radio systems CLKO Applications The Si47901/02 analog AM/FM receiver and digital radio tuner sets a new standard for automotive broadcast reception. The Si47901/02 is the most integrated monolithic IC in the industry with the smallest external bill of materials. Si47901/02 based systems can scale from lowcost single tuner AM/FM radio to highest performance systems with multiple tuners and multiple antennas, enabling the radio suppliers to reuse their R&D across multiple product lines, all with a common software API. The Si47901/02 meets rigorous automotive quality standards. XTALI XTALO Description Audio Output Port 0 Audio Input Port 0 LBO Blend B3I/WXI AGC LNA ADC B3O DEBUGP DEBUGN Radio DSP-2 ISFSP ISFSN Radio DSP ZIFIOUT ZIFCLK ZIFQOUT ZIFFS IF AGC ADC FMI AGC LNA FMO ARM Cortex M3 AMVAG AMI AGC VD VA VIO1 VIO2 LNA SPI/I2C SSB/A1 SCLK/SCL MOSI/SDA MISO/A0 SMODE INTB RSTB Flash Interface NVSCLK NVSSB NVMOSI NVMISO AMO Si47901/02 Power Supplies Copyright © 2015 by Silicon Laboratories 3.12.2015 Si47901/02 High-Performance Automotive AM/FM Radio Receiver and HD Radio™/DAB/DAB+/DMB/DRM Tuner Pin Assignments Package Information XTALI XTALO CLKO AOUT1 AOUT0 ICP ICN DIFS0 DICLK0 DIN0 DCLK/GP0 DFS/GP1 48 47 46 45 44 43 42 41 40 39 38 37 DACREF 1 36 DOUT0 B3I/WXI 2 35 DEBUGP LBI 3 34 DEBUGN FMI 4 33 ISFSP AMO 5 32 ISFSN AMI 6 31 ZIFIOUT AMVAG 7 30 ZIFCLK FMO 8 29 ZIFQOUT LBO 9 f 28 ZIFFS B3O 10 27 VIO2 ABYP 11 26 DBYP VA 12 25 VD f 13 14 15 16 17 18 19 20 21 22 23 24 RSTB SMODE NVMISO NVMOSI NVSSB NVSCLK INTB MISO/A0 MOSI/SDA SCLK/SCL SSB/A1 VIO1 Dimensions Min Nom Max A 0.80 0.85 0.90 A1 0.00 0.03 0.05 b 0.20 0.25 0.30 D D2 7.00 BSC. 5.20 5.30 e 0.50 BSC. E 7.00 BSC. 5.40 E2 5.20 5.30 5.40 L 0.35 0.40 0.45 aaa — — 0.10 bbb — — 0.10 ccc — — 0.08 ddd — — 0.10 Notes: 1. All dimensions shown are in millimeters (mm) unless otherwise noted. 2. Dimensioning and Tolerancing per ANSI Y14.5M-1994. 3. This drawing conforms to JEDEC outline MO-220, Variation VJJD-2 4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020 specification for Small Body Components. Si47901/02 Copyright © 2015 by Silicon Laboratories 3.12.2015 Smart. Connected. Energy-Friendly Products Quality Support and Community www.silabs.com/products www.silabs.com/quality community.silabs.com Disclaimer Silicon Laboratories intends to provide customers with the latest, accurate, and in-depth documentation of all peripherals and modules available for system and software implementers using or intending to use the Silicon Laboratories products. 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